11.   An American on the brink of death has received the first self-contained, mechanical total heart replacement in a landmark experimental operation, a source said Tuesday.

12.   An American on the brink of death has received the first self-contained, mechanical total heart replacement in a landmark operation, a source said Tuesday.

13.   Earlier mechanical hearts had wires and tubes that stuck out of the chest and connected to a power source.

14.   Earlier mechanical hearts had wires and tubes penetrating the chest to connect to a power source, which increased the risk of infection.

15.   For three weeks, a mechanical heart has performed up to expectations inside the chest of its first human recipient, his surgeons say.

16.   He also had developed an infection and was running a fever, but the mechanical heart continued to pump without problems.

17.   Harrison made an emotional statement to the media last month in support of the mechanical heart.

18.   His widow was pleased Tuesday upon hearing there had been a completely contained, mechanical heart implanted in Kentucky.

19.   It is considered a technological leap from earlier mechanical hearts.

20.   Kung said the performance of the mechanical heart can be monitored constantly at a remote center.